Method and composition for controlling fluid loss in high permeability hydrocarbon bearing formations

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 6165947
SERIAL NO

09324291

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A chemical system and method to stop or minimize fluid loss during completion of wells penetrating hydrocarbon formations are provided. The inventions relates to formulating a highly stable crosslinked hydroxyethyl cellulose (HEC), control released viscosity reduction additives, and user friendly packaging. The chemical system contains a linear HEC polymer solution, a low solubility compound which slowly raises the fluid pH, a chelating agent which further increases the pH level beyond the equilibum achievable by the low solubility compound, a metal crosslinker which crosslinks HEC at elevated pH, a crosslink delaying agent which allows fluid viscosity to remain low until the fluid reaches the subterranean formation, and optionally an internal breaker. The chemical additives are packaged as an integrated pallet and transported to a field location which allows operators to conveniently mix them before pumping. There is also provided a dry granulated crosslinked polysaccharide for use as a fluid loss control agent.

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Patent Owner(s)

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International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Frank F 7215 Emerald Glen Dr., Sugar Land, TX 77479 30 1328
Parlar, Mehmet 302 Burlington Ave., Broussard, LA 70518 31 750

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Halliburton Company (1)
* 4683954 Composition and method of stimulating subterranean formations 88 1986
 
SCHLUMBERGER TECHNOLOGY CORPORATION (2)
* 5981447 Method and composition for controlling fluid loss in high permeability hydrocarbon bearing formations 59 1997
* 5979557 Methods for limiting the inflow of formation water and for stimulating subterranean formations 306 1997
 
MARATHON OIL COMPANY (1)
* 5421411 Process for reducing permeability in a subterranean hydrocarbon-bearing formation utilizing a gelation solution having a controlled gelation rate 17 1994
 
DOWELL SCHLUMBERGER INCORPORATED (1)
* 4797216 Delayed crosslinker composition 26 1986
 
Allied Products Corporation (1)
* 4505826 Prepackaged crosslinked polymer 14 1982
 
CONOCOPHILLIPS COMPANY (1)
* 5547025 Process for treating oil-bearing formation 14 1995
 
Union Oil Company of California (4)
* 5207934 Crosslinked hydroxyethylcellulose and its uses 11 1992
* 5335733 Method for delaying gelation of a gelable polymer composition injected into a subterranean formation 25 1993
* 5486312 High temperature stable gels 36 1993
* 5617920 Method for modifying gelation time of organically crosslinked, aqueous gels 28 1994
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (4)
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8689872 Methods and compositions for controlling formation fines and reducing proppant flow-back 0 2007
 
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7883740 Low-quality particulates and methods of making and using improved low-quality particulates 2 2004
7448451 Methods for controlling migration of particulates in a subterranean formation 11 2005
7819192 Consolidating agent emulsions and associated methods 27 2006
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7712531 Methods for controlling particulate migration 1 2007
8443885 Consolidating agent emulsions and associated methods 5 2007
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9027647 Treatment fluids containing a biodegradable chelating agent and methods for use thereof 1 2011
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8881823 Environmentally friendly low temperature breaker systems and related methods 4 2011
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9074120 Composition and method relating to the prevention and remediation of surfactant gel damage 1 2012
9670399 Methods for acidizing a subterranean formation using a stabilized microemulsion carrier fluid 0 2013
9334716 Treatment fluids comprising a hydroxypyridinecarboxylic acid and methods for use thereof 0 2013
 
WEATHERFORD TECHNOLOGY HOLDINGS, LLC (4)
6810960 Methods for increasing production from a wellbore 38 2002
7320365 Methods for increasing production from a wellbore 34 2004
* 2005/0092,498 Methods for increasing production from a wellbore 0 2004
7813935 System for evaluating over and underbalanced drilling operations 0 2005
 
M-I L.L.C. (6)
8876437 Use of elastomers to produce gels for treating a wellbore 0 2008
* 2010/0087,566 USE OF ELASTOMERS TO PRODUCE GELS FOR TREATING A WELLBORE 11 2008
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* 2010/0210,480 USE OF INVERT EPOXY EMULSIONS FOR WELLBORE STABILIZATION 1 2008
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* 2013/0303,412 Viscosified Fluid Loss Control Agent Utilizing Chelates 0 2011
 
BAKER HUGHES INCORPORATED (9)
7226895 Drilling fluid systems for reducing circulation losses 7 2004
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* 2009/0149,354 Well Treatment Compositions Containing Hydratable Polyvinyl Alcohol and Methods of Using Same 5 2007
* 2015/0075,792 METHOD OF USING DELAYED HYDRATABLE POLYMERIC VISCOSIFYING AGENT IN THE TREATMENT OF A WELL OR SUBTERRANEAN FORMATION 1 2013
* 2015/0198,010 Method of Enhancing Stability of Cement Slurries in Well Cementing Operations 1 2015
 
SCHLUMBERGER TECHNOLOGY CORPORATION (12)
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* 2003/0181,532 Concentrated suspensions 2 2002
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* 2003/0106,690 Methods for controlling screenouts 11 2002
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CHEMEOR, INC. (1)
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TUCC TECHNOLOGY, LLC (5)
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* 6756345 Well service composition and method 80 2001
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* Cited By Examiner